21373716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 65899904

約数和(自身を除く): 44526188

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 37, 39, 42, 46, 52, 69, 74, 78, 84, 91, 92, 111, 138, 148, 156, 161, 182, 222, 259, 273, 276, 299, 322, 364, 444, 481, 483, 518, 529, 546, 598, 644, 777, 851, 897, 962, 966, 1036, 1058, 1092, 1196, 1443, 1554, 1587, 1702, 1794, 1924, 1932, 2093, 2116, 2553, 2886, 3108, 3174, 3367, 3404, 3588, 3703, 4186, 5106, 5772, 5957, 6279, 6348, 6734, 6877, 7406, 8372, 10101, 10212, 11063, 11109, 11914, 12558, 13468, 13754, 14812, 17871, 19573, 20202, 20631, 22126, 22218, 23828, 25116, 27508, 33189, 35742, 39146, 40404, 41262, 44252, 44436, 48139, 58719, 66378, 71484, 77441, 78292, 82524, 96278, 117438, 132756, 137011, 144417, 154882, 192556, 232323, 234876, 254449, 274022, 288834, 309764, 411033, 464646, 508898, 548044, 577668, 763347, 822066, 929292, 1017796, 1526694, 1644132, 1781143, 3053388, 3562286, 5343429, 7124572, 10686858, 21373716]

約数ペア:

[(1, 21373716), (2, 10686858), (3, 7124572), (4, 5343429), (6, 3562286), (7, 3053388), (12, 1781143), (13, 1644132), (14, 1526694), (21, 1017796), (23, 929292), (26, 822066), (28, 763347), (37, 577668), (39, 548044), (42, 508898), (46, 464646), (52, 411033), (69, 309764), (74, 288834), (78, 274022), (84, 254449), (91, 234876), (92, 232323), (111, 192556), (138, 154882), (148, 144417), (156, 137011), (161, 132756), (182, 117438), (222, 96278), (259, 82524), (273, 78292), (276, 77441), (299, 71484), (322, 66378), (364, 58719), (444, 48139), (481, 44436), (483, 44252), (518, 41262), (529, 40404), (546, 39146), (598, 35742), (644, 33189), (777, 27508), (851, 25116), (897, 23828), (962, 22218), (966, 22126), (1036, 20631), (1058, 20202), (1092, 19573), (1196, 17871), (1443, 14812), (1554, 13754), (1587, 13468), (1702, 12558), (1794, 11914), (1924, 11109), (1932, 11063), (2093, 10212), (2116, 10101), (2553, 8372), (2886, 7406), (3108, 6877), (3174, 6734), (3367, 6348), (3404, 6279), (3588, 5957), (3703, 5772), (4186, 5106)]